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Velký Tisý Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Velký Tisý Lake, trends, monthly ranges and the forecast for the coming days.

Rožmberk jezero, Czech Republic
Rožmberk jezero, Czech Republic © ZdeněkK, CC BY-SA 3.0

Current Water Temperature

14.4°C
Today
13.8°C
Yesterday
15.0°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Velký Tisý Lake today is 14.4°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From September 9 to October 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 315.0°C13.3°C
OCT 415.0°C13.3°C
OCT 514.6°C13.3°C
OCT 614.7°C13.3°C
OCT 714.5°C13.3°C
OCT 814.2°C13.3°C
OCT 913.8°C13.3°C
OCT 1014.2°C13.3°C
OCT 1113.3°C14.3°C
OCT 1213.3°C14.3°C
OCT 1313.3°C14.2°C
OCT 1413.3°C14.2°C
OCT 1513.3°C14.1°C
OCT 1613.3°C14.1°C
OCT 1713.3°C14.0°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January1°C5°C9°C
February1°C5°C9°C
March3°C7°C11°C
April5°C10°C16°C
May8°C13°C21°C
June14°C19°C25°C
July16°C20°C24°C
August15°C20°C26°C
September11°C16°C21°C
October8°C13°C16°C
November3°C8°C16°C
December1°C5°C8°C

Velký Tisý Lake: Water Temperature by Location

Velký Tisý Lake: Weather Forecast

October 11

° / °
slight rain
rain: 16% | wind:

October 12

° / °
overcast
rain: 5% | wind:

October 13

° / °
slight rain
rain: 3% | wind:

October 14

° / °
slight rain
rain: 9% | wind:

October 15

° / °
fog
rain: 5% | wind:

Location & Local Information

Velký Tisý is a small pond located in the South Bohemian Region of the Czech Republic, surrounded by natural meadows and forested areas that create a tranquil environment. Due to its shallow depth, the water warms up fairly quickly during the summer months. In July and August, water temperatures typically reach around 20–22 °C, making it comfortable for swimming, wading, and light recreational activities. Its calm waters and gentle shoreline make it suitable for families and casual swimmers.

Swimming at Velký Tisý is mostly informal, with natural banks rather than developed beaches or commercial facilities. Visitors often combine a swim with sunbathing, picnicking, or short walks in the surrounding countryside. The quiet setting and scenic surroundings provide a relaxing atmosphere, making it a pleasant spot for locals and visitors seeking a peaceful place to enjoy the water.

Outside the peak summer period, water temperatures drop noticeably. In May or September, the pond usually remains around 14–16 °C, which is too cool for prolonged swimming but still allows for brief wading or splashing along the shore. Even when the water is cooler, Velký Tisý remains an attractive destination for enjoying nature, birdwatching, or simply relaxing in the calm South Bohemian landscape.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Velký Tisý Lake?
Water Temperature in Velký Tisý Lake today is 14.4°C.
What is the water temperature in Velký Tisý Lake during the summer months?
The water temperature in Velký Tisý Lake in summer fluctuates in the range of 14°C - 26°C.
Is it possible to swim in Velký Tisý (Czech Republic) and what are the possibilities for this?
Yes — you can swim around Velký Tisý, but mostly in informal natural spots such as local ponds, streams or nearby reservoirs that are seasonal and unmonitored, so visitors often opt for supervised municipal pools or designated bathing areas a short drive away for safer, regulated facilities.